fix: #19 the CBuffer causing server crash

2024-12-26 17:07:43 +08:00
parent 5b86910cb2
commit 0c0c24534b
12 changed files with 256 additions and 137 deletions
--- a/server/2015Remote/2015RemoteDlg.cpp
+++ b/server/2015Remote/2015RemoteDlg.cpp
@@ -393,7 +393,7 @@ BOOL CMy2015RemoteDlg::OnInitDialog()
 	SetIcon(m_hIcon, FALSE);		// <20><><EFBFBD><EFBFBD>Сͼ<D0A1><CDBC>

 	// TODO: <20>ڴ<EFBFBD><DAB4><EFBFBD><EFBFBD>Ӷ<EFBFBD><D3B6><EFBFBD><EFBFBD>ĳ<EFBFBD>ʼ<EFBFBD><CABC><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
-
+	isClosed = FALSE;
 	g_2015RemoteDlg = this;
 	CreateToolBar();
 	InitControl();
@@ -542,6 +542,7 @@ void CMy2015RemoteDlg::OnTimer(UINT_PTR nIDEvent)

 void CMy2015RemoteDlg::OnClose()
 {
+	isClosed = TRUE;
 	ShowWindow(SW_HIDE);
 #if INDEPENDENT
 	Shell_NotifyIcon(NIM_DELETE, &m_Nid);
@@ -888,7 +889,7 @@ VOID CMy2015RemoteDlg::MessageHandle(CONTEXT_OBJECT* ContextObject)
 		return;
 	}

-	switch (ContextObject->InDeCompressedBuffer.GetBuffer(0)[0])
+	switch (ContextObject->InDeCompressedBuffer.GetBYTE(0))
 	{
 	case COMMAND_BYE:
 		{
@@ -956,7 +957,7 @@ LRESULT CMy2015RemoteDlg::OnUserToOnlineList(WPARAM wParam, LPARAM lParam)
 	CString strIP,  strAddr,  strPCName, strOS, strCPU, strVideo, strPing;
 	CONTEXT_OBJECT* ContextObject = (CONTEXT_OBJECT*)lParam; //ע<><D7A2><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>  ClientContext  <20><><EFBFBD>Ƿ<EFBFBD><C7B7><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʱ<EFBFBD><CAB1><EFBFBD>б<EFBFBD><D0B1><EFBFBD>ȡ<EFBFBD><C8A1><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>

-	if (ContextObject == NULL)
+	if (ContextObject == NULL || isClosed)
 	{
 		return -1;
 	}
@@ -970,7 +971,8 @@ LRESULT CMy2015RemoteDlg::OnUserToOnlineList(WPARAM wParam, LPARAM lParam)
 			return -1;
 		}

-		LOGIN_INFOR*	LoginInfor = (LOGIN_INFOR*)ContextObject->InDeCompressedBuffer.GetBuffer();
+		LOGIN_INFOR* LoginInfor = new LOGIN_INFOR;
+		ContextObject->InDeCompressedBuffer.CopyBuffer((LPBYTE)LoginInfor, sizeof(LOGIN_INFOR), 0);

 		sockaddr_in  ClientAddr;
 		memset(&ClientAddr, 0, sizeof(ClientAddr));
@@ -997,6 +999,7 @@ LRESULT CMy2015RemoteDlg::OnUserToOnlineList(WPARAM wParam, LPARAM lParam)
 		strAddr.Format("%d", nSocket);

 		AddList(strIP,strAddr,strPCName,strOS,strCPU,strVideo,strPing,ContextObject);
+		delete LoginInfor;
 		return S_OK;
 	}catch(...){
 		OutputDebugStringA("[ERROR] OnUserToOnlineList catch an error \n");
--- a/server/2015Remote/2015RemoteDlg.h
+++ b/server/2015Remote/2015RemoteDlg.h
@@ -81,7 +81,7 @@ public:
 	NOTIFYICONDATA  m_Nid;
 #endif
 	CRITICAL_SECTION m_cs;
-
+	BOOL       isClosed;
 	UINT       m_iCount;
 	CBitmap m_bmOnline[2];
 	afx_msg void OnTimer(UINT_PTR nIDEvent);
--- a/server/2015Remote/AudioDlg.cpp
+++ b/server/2015Remote/AudioDlg.cpp
@@ -106,12 +106,12 @@ void CAudioDlg::OnReceiveComplete(void)
 	CString	strString;
 	strString.Format("Receive %d KBytes", m_nTotalRecvBytes / 1024);
 	SetDlgItemText(IDC_TIPS, strString);
-	switch (m_ContextObject->InDeCompressedBuffer.GetBuffer(0)[0])
+	switch (m_ContextObject->InDeCompressedBuffer.GetBYTE(0))
 	{
 	case TOKEN_AUDIO_DATA:
 		{
-			m_AudioObject.PlayBuffer(m_ContextObject->InDeCompressedBuffer.GetBuffer(1), 
-				m_ContextObject->InDeCompressedBuffer.GetBufferLength() - 1);   //<2F><><EFBFBD>Ų<EFBFBD><C5B2><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
+			Buffer tmp = m_ContextObject->InDeCompressedBuffer.GetMyBuffer(1);
+			m_AudioObject.PlayBuffer(tmp.Buf(), tmp.length());   //<2F><><EFBFBD>Ų<EFBFBD><C5B2><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
 			break;
 		}

--- a/server/2015Remote/Buffer.cpp
+++ b/server/2015Remote/Buffer.cpp
@@ -6,6 +6,7 @@

 #define U_PAGE_ALIGNMENT   3
 #define F_PAGE_ALIGNMENT 3.0
+
 CBuffer::CBuffer(void)
 {
 	m_ulMaxLength = 0;
@@ -30,25 +31,29 @@ CBuffer::~CBuffer(void)
 }


-ULONG CBuffer::RemoveComletedBuffer(ULONG ulLength)
+ULONG CBuffer::RemoveCompletedBuffer(ULONG ulLength)
 {
-	if (ulLength >GetBufferMaxLength())   //<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ĳ<EFBFBD><C4B3>ȱ<EFBFBD><C8B1>ڴ<EFBFBD><DAB4>ĳ<EFBFBD><C4B3>Ȼ<EFBFBD><C8BB><EFBFBD>
+	EnterCriticalSection(&m_cs);
+
+	if (ulLength > m_ulMaxLength)   //<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ĳ<EFBFBD><C4B3>ȱ<EFBFBD><C8B1>ڴ<EFBFBD><DAB4>ĳ<EFBFBD><C4B3>Ȼ<EFBFBD><C8BB><EFBFBD>
 	{
+		LeaveCriticalSection(&m_cs);
 		return 0;
 	}
-	if (ulLength >GetBufferLength())  //<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ĳ<EFBFBD><C4B3><EFBFBD> <20><><EFBFBD><EFBFBD>Ч<EFBFBD><D0A7><EFBFBD><EFBFBD><EFBFBD>ݳ<EFBFBD><DDB3>Ȼ<EFBFBD><C8BB><EFBFBD>
+	if (ulLength > ((ULONG)m_Ptr - (ULONG)m_Base))  //<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ĳ<EFBFBD><C4B3><EFBFBD> <20><><EFBFBD><EFBFBD>Ч<EFBFBD><D0A7><EFBFBD><EFBFBD><EFBFBD>ݳ<EFBFBD><DDB3>Ȼ<EFBFBD><C8BB><EFBFBD>
 	{
-		ulLength = GetBufferLength();
+		ulLength = (ULONG)m_Ptr - (ULONG)m_Base;
 	}

 	if (ulLength)
 	{
-		MoveMemory(m_Base,m_Base+ulLength,GetBufferMaxLength() - ulLength);   //<2F><><EFBFBD><EFBFBD>ǰ<EFBFBD><C7B0>  [Shinexxxx??]
+		MoveMemory(m_Base,m_Base+ulLength, m_ulMaxLength - ulLength);   //<2F><><EFBFBD><EFBFBD>ǰ<EFBFBD><C7B0>  [Shinexxxx??]

 		m_Ptr -= ulLength;
 	}

-	DeAllocateBuffer(GetBufferLength());   
+	DeAllocateBuffer((ULONG)m_Ptr - (ULONG)m_Base);
+	LeaveCriticalSection(&m_cs);

 	return ulLength;
 }
@@ -57,44 +62,46 @@ ULONG CBuffer::ReadBuffer(PBYTE Buffer, ULONG ulLength)
 {
 	EnterCriticalSection(&m_cs);

-	if (ulLength > GetBufferMaxLength())
+	if (ulLength > m_ulMaxLength)
 	{
 		LeaveCriticalSection(&m_cs);
 		return 0;
 	}
-	if (ulLength > GetBufferLength())
+
+	if (ulLength > ((ULONG)m_Ptr - (ULONG)m_Base))
 	{
-		ulLength = GetBufferLength();
+		ulLength = (ULONG)m_Ptr - (ULONG)m_Base;
 	}

 	if (ulLength)
 	{
 		CopyMemory(Buffer,m_Base,ulLength);  

-		MoveMemory(m_Base,m_Base+ulLength,GetBufferMaxLength() - ulLength);
+		MoveMemory(m_Base,m_Base+ulLength, m_ulMaxLength - ulLength);
 		m_Ptr -= ulLength;
 	}

-	DeAllocateBuffer(GetBufferLength());   
+	DeAllocateBuffer((ULONG)m_Ptr - (ULONG)m_Base);

 	LeaveCriticalSection(&m_cs);
 	return ulLength;
 }

+// ˽<><CBBD>: <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
 ULONG CBuffer::DeAllocateBuffer(ULONG ulLength)        
 {
-	if (ulLength < GetBufferLength())     
+	if (ulLength < ((ULONG)m_Ptr - (ULONG)m_Base))     
 		return 0;

 	ULONG ulNewMaxLength = (ULONG)ceil(ulLength / F_PAGE_ALIGNMENT) * U_PAGE_ALIGNMENT;  

-	if (GetBufferMaxLength() <= ulNewMaxLength) 
+	if (m_ulMaxLength <= ulNewMaxLength)
 	{
 		return 0;
 	}
 	PBYTE NewBase = (PBYTE) VirtualAlloc(NULL,ulNewMaxLength,MEM_COMMIT,PAGE_READWRITE);

-	ULONG ulv1 = GetBufferLength();  //<2F><>ԭ<EFBFBD><D4AD><EFBFBD>ڴ<EFBFBD><DAB4><EFBFBD><EFBFBD><EFBFBD>Ч<EFBFBD><D0A7><EFBFBD><EFBFBD>
+	ULONG ulv1 = (ULONG)m_Ptr - (ULONG)m_Base;  //<2F><>ԭ<EFBFBD><D4AD><EFBFBD>ڴ<EFBFBD><DAB4><EFBFBD><EFBFBD><EFBFBD>Ч<EFBFBD><D0A7><EFBFBD><EFBFBD>
 	CopyMemory(NewBase,m_Base,ulv1);

 	VirtualFree(m_Base,0,MEM_RELEASE);
@@ -113,7 +120,7 @@ BOOL CBuffer::WriteBuffer(PBYTE Buffer, ULONG ulLength)
 {
 	EnterCriticalSection(&m_cs);

-	if (ReAllocateBuffer(ulLength + GetBufferLength()) == -1)//10 +1   1024
+	if (ReAllocateBuffer(ulLength + ((ULONG)m_Ptr - (ULONG)m_Base)) == -1)//10 +1   1024
 	{
 		LeaveCriticalSection(&m_cs);
 		return false;
@@ -126,9 +133,10 @@ BOOL CBuffer::WriteBuffer(PBYTE Buffer, ULONG ulLength)
 	return TRUE;
 }

+// ˽<><CBBD>: <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
 ULONG CBuffer::ReAllocateBuffer(ULONG ulLength)
 {
-	if (ulLength < GetBufferMaxLength())   
+	if (ulLength < m_ulMaxLength)
 		return 0;

 	ULONG  ulNewMaxLength = (ULONG)ceil(ulLength / F_PAGE_ALIGNMENT) * U_PAGE_ALIGNMENT;  
@@ -138,7 +146,9 @@ ULONG CBuffer::ReAllocateBuffer(ULONG ulLength)
 		return -1; 
 	}

-	ULONG ulv1 = GetBufferLength();   //ԭ<>ȵ<EFBFBD><C8B5><EFBFBD>Ч<EFBFBD><D0A7><EFBFBD>ݳ<EFBFBD><DDB3><EFBFBD>  
+
+	ULONG ulv1 = (ULONG)m_Ptr - (ULONG)m_Base; //ԭ<>ȵ<EFBFBD><C8B5><EFBFBD>Ч<EFBFBD><D0A7><EFBFBD>ݳ<EFBFBD><DDB3><EFBFBD>
+ 
 	CopyMemory(NewBase,m_Base,ulv1);

 	if (m_Base)
@@ -162,29 +172,75 @@ VOID CBuffer::ClearBuffer()
 	LeaveCriticalSection(&m_cs);
 }

-ULONG CBuffer::GetBufferLength() const //<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ч<EFBFBD><D0A7><EFBFBD>ݳ<EFBFBD><DDB3><EFBFBD>
+ULONG CBuffer::GetBufferLength() // <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ч<EFBFBD><EFBFBD><EFBFBD>ݳ<EFBFBD><EFBFBD><EFBFBD>
 {
+	EnterCriticalSection(&m_cs);
 	if (m_Base == NULL)
+	{
+		LeaveCriticalSection(&m_cs);
 		return 0;
+	}
+	ULONG len = (ULONG)m_Ptr - (ULONG)m_Base;
+	LeaveCriticalSection(&m_cs);

-	return (ULONG)m_Ptr - (ULONG)m_Base;
+	return len;
 }

-
-ULONG CBuffer::GetBufferMaxLength() const
+// <20>˺<EFBFBD><CBBA><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ƕ<EFBFBD><C7B6>̰߳<DFB3>ȫ<EFBFBD><C8AB>. ֻ<><D6BB>Զ<EFBFBD><D4B6><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʹ<EFBFBD><CAB9><EFBFBD><EFBFBD>.
+LPBYTE CBuffer::GetBuffer(ULONG ulPos)
 {
-	return m_ulMaxLength;
-}
-
-PBYTE CBuffer::GetBuffer(ULONG ulPos) const
-{
-	if (m_Base==NULL)
+	EnterCriticalSection(&m_cs);
+	if (m_Base==NULL || ulPos >= ((ULONG)m_Ptr - (ULONG)m_Base))
 	{
+		LeaveCriticalSection(&m_cs);
 		return NULL;
 	}
-	if (ulPos>=GetBufferLength())
+	LPBYTE result = m_Base + ulPos;
+	LeaveCriticalSection(&m_cs);
+
+	return result;
+}
+
+// <20>˺<EFBFBD><CBBA><EFBFBD><EFBFBD>Ƕ<EFBFBD><C7B6>̰߳<DFB3>ȫ<EFBFBD><C8AB>. <20><>ȡ<EFBFBD><C8A1><EFBFBD>棬<EFBFBD>õ<EFBFBD>Buffer<65><72><EFBFBD><EFBFBD>.
+Buffer CBuffer::GetMyBuffer(ULONG ulPos)
+{
+	EnterCriticalSection(&m_cs);
+	ULONG len = (ULONG)m_Ptr - (ULONG)m_Base;
+	if (m_Base == NULL || ulPos >= len)
 	{
+		LeaveCriticalSection(&m_cs);
+		return Buffer();
+	}
+	Buffer result = Buffer(m_Base+ulPos, len - ulPos);
+	LeaveCriticalSection(&m_cs);
+
+	return result;
+}
+
+// <20>˺<EFBFBD><CBBA><EFBFBD><EFBFBD>Ƕ<EFBFBD><C7B6>̰߳<DFB3>ȫ<EFBFBD><C8AB>. <20><>ȡ<EFBFBD><C8A1><EFBFBD><EFBFBD>ָ<EFBFBD><D6B8>λ<EFBFBD>ô<EFBFBD><C3B4><EFBFBD><EFBFBD><EFBFBD>ֵ.
+BYTE CBuffer::GetBYTE(ULONG ulPos) {
+	EnterCriticalSection(&m_cs);
+	if (m_Base == NULL || ulPos >= ((ULONG)m_Ptr - (ULONG)m_Base))
+	{
+		LeaveCriticalSection(&m_cs);
 		return NULL;
 	}
-	return m_Base+ulPos;
+	BYTE p = *(m_Base + ulPos);
+	LeaveCriticalSection(&m_cs);
+
+	return p;
 }
+
+// <20>˺<EFBFBD><CBBA><EFBFBD><EFBFBD>Ƕ<EFBFBD><C7B6>̰߳<DFB3>ȫ<EFBFBD><C8AB>. <20><><EFBFBD><EFBFBD><EFBFBD>濽<EFBFBD><E6BFBD><EFBFBD><EFBFBD>Ŀ<EFBFBD><C4BF><EFBFBD>ڴ<EFBFBD><DAB4><EFBFBD>.
+BOOL CBuffer::CopyBuffer(PVOID pDst, ULONG nLen, ULONG ulPos) {
+	EnterCriticalSection(&m_cs);
+	ULONG len = (ULONG)m_Ptr - (ULONG)m_Base;
+	if (m_Base == NULL || len - ulPos < nLen)
+	{
+		LeaveCriticalSection(&m_cs);
+		return FALSE;
+	}
+	memcpy(pDst, m_Base+ulPos, nLen);
+	LeaveCriticalSection(&m_cs);
+	return TRUE;
+}
--- a/server/2015Remote/Buffer.h
+++ b/server/2015Remote/Buffer.h
@@ -1,5 +1,61 @@
 #pragma once
 #include <Windows.h>
+#include <string>
+
+// Buffer <20><><EFBFBD><EFBFBD><EFBFBD>ü<EFBFBD><C3BC><EFBFBD><EFBFBD>Ļ<EFBFBD><C4BB><EFBFBD>.
+class Buffer {
+private:
+	PBYTE buf;
+	ULONG len;
+	ULONG *ref;
+	void AddRef() {
+		(*ref)++;
+	}
+	void DelRef() {
+		(*ref)--;
+	}
+public:
+	LPBYTE &Buf() {
+		return buf;
+	}
+	~Buffer() {
+		(*ref)--;
+		if (*ref == 0) {
+			if (buf!=NULL)
+			{
+				delete[] buf;
+				buf = NULL;
+			}
+			delete ref;
+			ref = NULL;
+		}
+	}
+	Buffer():buf(NULL), len(0), ref(new ULONG(1)) {
+
+	}
+	Buffer(const BYTE * b, int n):len(n), ref(new ULONG(1)){
+		buf = new BYTE[n];
+		memcpy(buf, b, n);
+	}
+	Buffer(Buffer& o) {
+		o.AddRef();
+		buf = o.buf;
+		len = o.len;
+		ref = o.ref;
+	}
+	Buffer operator =(Buffer &o) {
+		o.AddRef();
+		buf = o.buf;
+		len = o.len;
+		ref = o.ref;
+	}
+	char* c_str() const {
+		return (char*)buf;
+	}
+	ULONG length()const {
+		return len;
+	}
+};

 class CBuffer
 {
@@ -7,21 +63,21 @@ public:
 	CBuffer(void);
 	~CBuffer(void);

-	ULONG GetBufferMaxLength() const;
 	ULONG ReadBuffer(PBYTE Buffer, ULONG ulLength);
-	ULONG GetBufferLength() const; //<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ч<EFBFBD><D0A7><EFBFBD>ݳ<EFBFBD><DDB3><EFBFBD>;
-	ULONG DeAllocateBuffer(ULONG ulLength);
+	ULONG GetBufferLength(); // <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ч<EFBFBD><EFBFBD><EFBFBD>ݳ<EFBFBD><EFBFBD><EFBFBD>
 	VOID ClearBuffer();
-	ULONG ReAllocateBuffer(ULONG ulLength);
 	BOOL WriteBuffer(PBYTE Buffer, ULONG ulLength);
-	PBYTE GetBuffer(ULONG ulPos=0) const;
-	ULONG RemoveComletedBuffer(ULONG ulLength);
-	VOID  ReleaseMember();
-	VOID InitMember();
+	LPBYTE GetBuffer(ULONG ulPos);
+	Buffer GetMyBuffer(ULONG ulPos);
+	BYTE GetBYTE(ULONG ulPos);
+	BOOL CopyBuffer(PVOID pDst, ULONG nLen, ULONG ulPos);
+	ULONG RemoveCompletedBuffer(ULONG ulLength);

 protected:
 	PBYTE	m_Base;
 	PBYTE	m_Ptr;
 	ULONG	m_ulMaxLength;
 	CRITICAL_SECTION  m_cs;
+	ULONG DeAllocateBuffer(ULONG ulLength); // ˽<><CBBD>
+	ULONG ReAllocateBuffer(ULONG ulLength); // ˽<><CBBD>
 };
--- a/server/2015Remote/IOCPServer.cpp
+++ b/server/2015Remote/IOCPServer.cpp
@@ -459,13 +459,13 @@ BOOL IOCPServer::OnClientReceiving(PCONTEXT_OBJECT  ContextObject, DWORD dwTrans
 		while (ContextObject->InCompressedBuffer.GetBufferLength() > HDR_LENGTH)
 		{
 			char szPacketFlag[FLAG_LENGTH + 3]= {0}; // 8<>ֽڶ<D6BD><DAB6><EFBFBD>
-			CopyMemory(szPacketFlag, ContextObject->InCompressedBuffer.GetBuffer(),FLAG_LENGTH);
+			ContextObject->InCompressedBuffer.CopyBuffer(szPacketFlag, FLAG_LENGTH, 0);
 			if (memcmp(m_szPacketFlag, szPacketFlag, FLAG_LENGTH) != 0)
 				throw "Bad Buffer";
 			
 			//Shine[50][kdjfkdjfkj]
 			ULONG ulPackTotalLength = 0;
-			CopyMemory(&ulPackTotalLength, ContextObject->InCompressedBuffer.GetBuffer(FLAG_LENGTH), sizeof(ULONG));
+			ContextObject->InCompressedBuffer.CopyBuffer(&ulPackTotalLength, sizeof(ULONG), FLAG_LENGTH);
 			//ȡ<><C8A1><EFBFBD><EFBFBD><EFBFBD>ݰ<EFBFBD><DDB0><EFBFBD><EFBFBD>ܳ<EFBFBD>
 			//50
 			if (ulPackTotalLength && (ContextObject->InCompressedBuffer.GetBufferLength()) >= ulPackTotalLength)  
@@ -584,7 +584,7 @@ BOOL IOCPServer::OnClientPostSending(CONTEXT_OBJECT* ContextObject,ULONG ulCompl
 	{
 		DWORD ulFlags = MSG_PARTIAL;

-		ContextObject->OutCompressedBuffer.RemoveComletedBuffer(ulCompletedLength); //<2F><><EFBFBD><EFBFBD><EFBFBD>ɵ<EFBFBD><C9B5><EFBFBD><EFBFBD>ݴ<EFBFBD><DDB4><EFBFBD><EFBFBD>ݽṹ<DDBD><E1B9B9>ȥ<EFBFBD><C8A5>
+		ContextObject->OutCompressedBuffer.RemoveCompletedBuffer(ulCompletedLength); //<2F><><EFBFBD><EFBFBD><EFBFBD>ɵ<EFBFBD><C9B5><EFBFBD><EFBFBD>ݴ<EFBFBD><DDB4><EFBFBD><EFBFBD>ݽṹ<DDBD><E1B9B9>ȥ<EFBFBD><C8A5>
 		if (ContextObject->OutCompressedBuffer.GetBufferLength() == 0)
 		{
 			ContextObject->OutCompressedBuffer.ClearBuffer();
@@ -594,7 +594,7 @@ BOOL IOCPServer::OnClientPostSending(CONTEXT_OBJECT* ContextObject,ULONG ulCompl
 		{
 			OVERLAPPEDPLUS * OverlappedPlus = new OVERLAPPEDPLUS(IOWrite); //<2F><><EFBFBD><EFBFBD>û<EFBFBD><C3BB><EFBFBD><EFBFBD><EFBFBD><EFBFBD>  <20><><EFBFBD>Ǽ<EFBFBD><C7BC><EFBFBD>Ͷ<EFBFBD><CDB6> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>

-			ContextObject->wsaOutBuffer.buf = (char*)ContextObject->OutCompressedBuffer.GetBuffer();
+			ContextObject->wsaOutBuffer.buf = (char*)ContextObject->OutCompressedBuffer.GetBuffer(0);
 			ContextObject->wsaOutBuffer.len = ContextObject->OutCompressedBuffer.GetBufferLength(); 
 			int iOk = WSASend(ContextObject->sClientSocket, &ContextObject->wsaOutBuffer,1,
 				&ContextObject->wsaOutBuffer.len, ulFlags,&OverlappedPlus->m_ol, NULL);
--- a/server/2015Remote/RegisterDlg.cpp
+++ b/server/2015Remote/RegisterDlg.cpp
@@ -214,16 +214,18 @@ char CRegisterDlg::GetFatherPath(CString& strFullPath)
 void CRegisterDlg::OnReceiveComplete(void)
 {
 	m_bIsWorking = TRUE;
-	switch (m_ContextObject->InDeCompressedBuffer.GetBuffer(0)[0])
+	switch (m_ContextObject->InDeCompressedBuffer.GetBYTE(0))
 	{
 	case TOKEN_REG_PATH:
 		{
-			AddPath((char*)(m_ContextObject->InDeCompressedBuffer.GetBuffer(1)));
+			Buffer tmp = m_ContextObject->InDeCompressedBuffer.GetMyBuffer(1);
+			AddPath(tmp.c_str());
 			break;
 		}
 	case TOKEN_REG_KEY:
 		{
-			AddKey((char*)(m_ContextObject->InDeCompressedBuffer.GetBuffer(1)));
+			Buffer tmp = m_ContextObject->InDeCompressedBuffer.GetMyBuffer(1);
+			AddKey(tmp.c_str());
 			break;
 		}
 	default:
--- a/server/2015Remote/ScreenSpyDlg.cpp
+++ b/server/2015Remote/ScreenSpyDlg.cpp
@@ -1,4 +1,4 @@
-// ScreenSpyDlg.cpp : ʵ<EFBFBD><EFBFBD><EFBFBD>ļ<EFBFBD>
+// ScreenSpyDlg.cpp : 实现文件
 //

 #include "stdafx.h"
@@ -8,18 +8,18 @@
 #include <imm.h>


-// CScreenSpyDlg <EFBFBD>Ի<EFBFBD><EFBFBD><EFBFBD>
+// CScreenSpyDlg 对话框

 enum
 {
 	IDM_CONTROL = 0x1010,
 	IDM_FULLSCREEN, 
 	IDM_SEND_CTRL_ALT_DEL,
-	IDM_TRACE_CURSOR,	// <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʾԶ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
-	IDM_BLOCK_INPUT,	// <EFBFBD><EFBFBD><EFBFBD><EFBFBD>Զ<EFBFBD>̼<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
-	IDM_SAVEDIB,		// <EFBFBD><EFBFBD><EFBFBD><EFBFBD>ͼƬ
-	IDM_GET_CLIPBOARD,	// <EFBFBD><EFBFBD>ȡ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
-	IDM_SET_CLIPBOARD,	// <EFBFBD><EFBFBD><EFBFBD>ü<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
+	IDM_TRACE_CURSOR,	// 跟踪显示远程鼠标
+	IDM_BLOCK_INPUT,	// 锁定远程计算机输入
+	IDM_SAVEDIB,		// 保存图片
+	IDM_GET_CLIPBOARD,	// 获取剪贴板
+	IDM_SET_CLIPBOARD,	// 设置剪贴板
 };

 IMPLEMENT_DYNAMIC(CScreenSpyDlg, CDialog)
@@ -29,7 +29,7 @@ IMPLEMENT_DYNAMIC(CScreenSpyDlg, CDialog)
 CScreenSpyDlg::CScreenSpyDlg(CWnd* Parent, IOCPServer* IOCPServer, CONTEXT_OBJECT* ContextObject)
 	: CDialog(CScreenSpyDlg::IDD, Parent)
 {
-	ImmDisableIME(0);// <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>뷨
+	ImmDisableIME(0);// 禁用输入法
 	m_bFullScreen = FALSE;

 	m_iocpServer	= IOCPServer;
@@ -37,7 +37,7 @@ CScreenSpyDlg::CScreenSpyDlg(CWnd* Parent, IOCPServer* IOCPServer, CONTEXT_OBJEC

 	CHAR szFullPath[MAX_PATH];
 	GetSystemDirectory(szFullPath, MAX_PATH);
-	lstrcat(szFullPath, "\\shell32.dll");  //ͼ<EFBFBD><EFBFBD>
+	lstrcat(szFullPath, "\\shell32.dll");  //图标
 	m_hIcon = ExtractIcon(AfxGetApp()->m_hInstance, szFullPath, 17);
 	m_hCursor = LoadCursor(AfxGetApp()->m_hInstance, MAKEINTRESOURCE(IDC_ARROWS));

@@ -54,8 +54,7 @@ CScreenSpyDlg::CScreenSpyDlg(CWnd* Parent, IOCPServer* IOCPServer, CONTEXT_OBJEC

 	ULONG	ulBitmapInforLength = m_ContextObject->InDeCompressedBuffer.GetBufferLength() - 1;
 	m_BitmapInfor_Full = (BITMAPINFO *) new BYTE[ulBitmapInforLength];
-
-	memcpy(m_BitmapInfor_Full, m_ContextObject->InDeCompressedBuffer.GetBuffer(1), ulBitmapInforLength);
+	m_ContextObject->InDeCompressedBuffer.CopyBuffer(m_BitmapInfor_Full, ulBitmapInforLength, 1);

 	m_bIsCtrl = FALSE;
 	m_bIsTraceCursor = FALSE;
@@ -78,7 +77,7 @@ CScreenSpyDlg::~CScreenSpyDlg()
 	}

 	::ReleaseDC(m_hWnd, m_hFullDC);   //GetDC
-	::DeleteDC(m_hFullMemDC);                //Createƥ<EFBFBD><EFBFBD><EFBFBD>ڴ<EFBFBD>DC
+	::DeleteDC(m_hFullMemDC);                //Create匹配内存DC

 	::DeleteObject(m_BitmapHandle);
 	if (m_BitmapData_Full!=NULL)
@@ -108,7 +107,7 @@ BEGIN_MESSAGE_MAP(CScreenSpyDlg, CDialog)
 END_MESSAGE_MAP()


-// CScreenSpyDlg <EFBFBD><EFBFBD>Ϣ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
+// CScreenSpyDlg 消息处理程序


 BOOL CScreenSpyDlg::OnInitDialog()
@@ -117,37 +116,37 @@ BOOL CScreenSpyDlg::OnInitDialog()
 	SetIcon(m_hIcon,FALSE);

 	CString strString;
-	strString.Format("%s - Զ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> %d<EFBFBD><EFBFBD>%d", m_strClientIP, 
+	strString.Format("%s - 远程桌面控制 %d×%d", m_strClientIP, 
 		m_BitmapInfor_Full->bmiHeader.biWidth, m_BitmapInfor_Full->bmiHeader.biHeight);
 	SetWindowText(strString);

 	m_hFullDC = ::GetDC(m_hWnd);
 	m_hFullMemDC = CreateCompatibleDC(m_hFullDC);
 	m_BitmapHandle = CreateDIBSection(m_hFullDC, m_BitmapInfor_Full, 
-		DIB_RGB_COLORS, &m_BitmapData_Full, NULL, NULL);   //<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ӧ<EFBFBD>ó<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֱ<EFBFBD><EFBFBD>д<EFBFBD><EFBFBD><EFBFBD>ġ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>豸<EFBFBD>޹ص<EFBFBD>λͼ
+		DIB_RGB_COLORS, &m_BitmapData_Full, NULL, NULL);   //创建应用程序可以直接写入的、与设备无关的位图

-	SelectObject(m_hFullMemDC, m_BitmapHandle);//<EFBFBD><EFBFBD>һ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ָ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>豸<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ļ<EFBFBD><EFBFBD><EFBFBD>
+	SelectObject(m_hFullMemDC, m_BitmapHandle);//择一对象到指定的设备上下文环境

-	SetScrollRange(SB_HORZ, 0, m_BitmapInfor_Full->bmiHeader.biWidth);  //ָ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Χ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Сֵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֵ
+	SetScrollRange(SB_HORZ, 0, m_BitmapInfor_Full->bmiHeader.biWidth);  //指定滚动条范围的最小值和最大值
 	SetScrollRange(SB_VERT, 0, m_BitmapInfor_Full->bmiHeader.biHeight);//1366  768

 	CMenu* SysMenu = GetSystemMenu(FALSE);
 	if (SysMenu != NULL)
 	{
 		SysMenu->AppendMenu(MF_SEPARATOR);
-		SysMenu->AppendMenu(MF_STRING, IDM_CONTROL, "<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ļ(&Y)");
-		SysMenu->AppendMenu(MF_STRING, IDM_FULLSCREEN, "ȫ<EFBFBD><EFBFBD>(&F)");
-		SysMenu->AppendMenu(MF_STRING, IDM_TRACE_CURSOR, "<EFBFBD><EFBFBD><EFBFBD>ٱ<EFBFBD><EFBFBD>ض<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>(&T)");
-		SysMenu->AppendMenu(MF_STRING, IDM_BLOCK_INPUT, "<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ض<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ͼ<EFBFBD><EFBFBD><EFBFBD>(&L)");
-		SysMenu->AppendMenu(MF_STRING, IDM_SAVEDIB, "<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>(&S)");
+		SysMenu->AppendMenu(MF_STRING, IDM_CONTROL, "控制屏幕(&Y)");
+		SysMenu->AppendMenu(MF_STRING, IDM_FULLSCREEN, "全屏(&F)");
+		SysMenu->AppendMenu(MF_STRING, IDM_TRACE_CURSOR, "跟踪被控端鼠标(&T)");
+		SysMenu->AppendMenu(MF_STRING, IDM_BLOCK_INPUT, "锁定被控端鼠标和键盘(&L)");
+		SysMenu->AppendMenu(MF_STRING, IDM_SAVEDIB, "保存快照(&S)");
 		SysMenu->AppendMenu(MF_SEPARATOR);
-		SysMenu->AppendMenu(MF_STRING, IDM_GET_CLIPBOARD, "<EFBFBD><EFBFBD>ȡ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>(&R)");
-		SysMenu->AppendMenu(MF_STRING, IDM_SET_CLIPBOARD, "<EFBFBD><EFBFBD><EFBFBD>ü<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>(&L)");
+		SysMenu->AppendMenu(MF_STRING, IDM_GET_CLIPBOARD, "获取剪贴板(&R)");
+		SysMenu->AppendMenu(MF_STRING, IDM_SET_CLIPBOARD, "设置剪贴板(&L)");
 		SysMenu->AppendMenu(MF_SEPARATOR);
 	}

-	m_bIsCtrl = FALSE;   //<EFBFBD><EFBFBD><EFBFBD>ǿ<EFBFBD><EFBFBD><EFBFBD>
-	m_bIsTraceCursor = FALSE;  //<EFBFBD><EFBFBD><EFBFBD>Ǹ<EFBFBD><EFBFBD><EFBFBD>
+	m_bIsCtrl = FALSE;   //不是控制
+	m_bIsTraceCursor = FALSE;  //不是跟踪
 	m_ClientCursorPos.x = 0;
 	m_ClientCursorPos.y = 0;
 	m_bCursorIndex = 0;
@@ -177,7 +176,7 @@ VOID CScreenSpyDlg::OnReceiveComplete()
 {
 	assert (m_ContextObject);

-	switch(m_ContextObject->InDeCompressedBuffer.GetBuffer()[0])
+	switch(m_ContextObject->InDeCompressedBuffer.GetBYTE(0))
 	{
 	case TOKEN_FIRSTSCREEN:
 		{
@@ -186,7 +185,7 @@ VOID CScreenSpyDlg::OnReceiveComplete()
 		}
 	case TOKEN_NEXTSCREEN:
 		{
-			if (m_ContextObject->InDeCompressedBuffer.GetBuffer(0)[1]==ALGORITHM_DIFF)
+			if (m_ContextObject->InDeCompressedBuffer.GetBYTE(1)==ALGORITHM_DIFF)
 			{
 				DrawNextScreenDiff();
 			}
@@ -194,8 +193,8 @@ VOID CScreenSpyDlg::OnReceiveComplete()
 		}
 	case TOKEN_CLIPBOARD_TEXT:
 		{
-			UpdateServerClipboard((char*)m_ContextObject->InDeCompressedBuffer.GetBuffer(1), 
-				m_ContextObject->InDeCompressedBuffer.GetBufferLength() - 1);
+			Buffer str = m_ContextObject->InDeCompressedBuffer.GetMyBuffer(1);
+			UpdateServerClipboard(str.c_str(), str.length());
 			break;
 		}
 	}
@@ -205,19 +204,19 @@ VOID CScreenSpyDlg::DrawFirstScreen(void)
 {
 	m_bIsFirst = FALSE;

-	//<EFBFBD>õ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ض˷<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>HBITMAP<41>Ļ<EFBFBD><C4BB><EFBFBD><EFBFBD><EFBFBD><EFBFBD>У<EFBFBD><D0A3><EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD><D2BB>ͼ<EFBFBD><CDBC><EFBFBD>ͳ<EFBFBD><CDB3><EFBFBD><EFBFBD><EFBFBD>
-	memcpy(m_BitmapData_Full, m_ContextObject->InDeCompressedBuffer.GetBuffer(1), m_BitmapInfor_Full->bmiHeader.biSizeImage);
+	//得到被控端发来的数据 ，将他拷贝到HBITMAP的缓冲区中，这样一个图像就出现了

-	PostMessage(WM_PAINT);//<2F><><EFBFBD><EFBFBD>WM_PAINT<4E><54>Ϣ
+	m_ContextObject->InDeCompressedBuffer.CopyBuffer(m_BitmapData_Full, m_BitmapInfor_Full->bmiHeader.biSizeImage, 1);
+	PostMessage(WM_PAINT);//触发WM_PAINT消息
 }

 VOID CScreenSpyDlg::DrawNextScreenDiff(void)
 {
-	//<EFBFBD>ú<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֱ<EFBFBD>ӻ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ļ<EFBFBD>ϣ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ǹ<EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD>±仯<EFBFBD><EFBFBD><EFBFBD>ֵ<EFBFBD><EFBFBD><EFBFBD>Ļ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ȼ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
-	//OnPaint<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ȥ
-	//<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ƿ<EFBFBD><EFBFBD>ƶ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ļ<EFBFBD>Ƿ<EFBFBD><EFBFBD>仯<EFBFBD>ж<EFBFBD><EFBFBD>Ƿ<EFBFBD><EFBFBD>ػ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>꣬<EFBFBD><EFBFBD>ֹ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>˸
+	//该函数不是直接画到屏幕上，而是更新一下变化部分的屏幕数据然后调用
+	//OnPaint画上去
+	//根据鼠标是否移动和屏幕是否变化判断是否重绘鼠标，防止鼠标闪烁
 	BOOL	bChange = FALSE;
-	ULONG	ulHeadLength = 1 + 1 + sizeof(POINT) + sizeof(BYTE); // <EFBFBD><EFBFBD>ʶ + <EFBFBD>㷨 + <EFBFBD><EFBFBD><EFBFBD><EFBFBD> λ<><CEBB> + <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
+	ULONG	ulHeadLength = 1 + 1 + sizeof(POINT) + sizeof(BYTE); // 标识 + 算法 + 光标 位置 + 光标类型索引
 	LPVOID	FirstScreenData = m_BitmapData_Full;
 	LPVOID	NextScreenData = m_ContextObject->InDeCompressedBuffer.GetBuffer(ulHeadLength);
 	ULONG	NextScreenLength = m_ContextObject->InDeCompressedBuffer.GetBufferLength() - ulHeadLength;
@@ -226,30 +225,30 @@ VOID CScreenSpyDlg::DrawNextScreenDiff(void)
 	memcpy(&OldClientCursorPos, &m_ClientCursorPos, sizeof(POINT));
 	memcpy(&m_ClientCursorPos, m_ContextObject->InDeCompressedBuffer.GetBuffer(2), sizeof(POINT));

-	// <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ƶ<EFBFBD><EFBFBD><EFBFBD>
+	// 鼠标移动了
 	if (memcmp(&OldClientCursorPos, &m_ClientCursorPos, sizeof(POINT)) != 0)
 	{
 		bChange = TRUE;
 	}

-	// <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ͷ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>仯
+	// 光标类型发生变化
 	BYTE bOldCursorIndex = m_bCursorIndex;
 	m_bCursorIndex = m_ContextObject->InDeCompressedBuffer.GetBuffer(2+sizeof(POINT))[0];
 	if (bOldCursorIndex != m_bCursorIndex)
 	{
 		bChange = TRUE;
-		if (m_bIsCtrl && !m_bIsTraceCursor)//<EFBFBD>滻ָ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>WNDCLASSEX<EFBFBD>ṹ
+		if (m_bIsCtrl && !m_bIsTraceCursor)//替换指定窗口所属类的WNDCLASSEX结构
 			SetClassLong(m_hWnd, GCL_HCURSOR, (LONG)m_CursorInfo.getCursorHandle(m_bCursorIndex == (BYTE)-1 ? 1 : m_bCursorIndex));
 	}

-	// <EFBFBD><EFBFBD>Ļ<EFBFBD>Ƿ<EFBFBD><EFBFBD>仯
+	// 屏幕是否变化
 	if (NextScreenLength > 0) 
 	{
 		bChange = TRUE;
 	}

-	//lodsdָ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ESIָ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ڴ<EFBFBD>λ<EFBFBD><EFBFBD>4<EFBFBD><EFBFBD><EFBFBD>ֽ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ݷ<EFBFBD><EFBFBD><EFBFBD>EAX<EFBFBD>в<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>4
-	//movsbָ<EFBFBD><EFBFBD><EFBFBD>ֽڴ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ݣ<EFBFBD>ͨ<EFBFBD><EFBFBD>SI<EFBFBD><EFBFBD>DI<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ĵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ַ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Դ<EFBFBD><EFBFBD>ַ<EFBFBD><EFBFBD>Ŀ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ַ
+	//lodsd指令从ESI指向的内存位置4个字节内容放入EAX中并且下移4
+	//movsb指令字节传送数据，通过SI和DI这两个寄存器控制字符串的源地址和目标地址
 	//m_rectBuffer [0002 esi0002 esi000A 000C]     [][]edi[][][][][][][][][][][][][][][][][]
 	__asm
 	{
@@ -258,15 +257,15 @@ VOID CScreenSpyDlg::DrawNextScreenDiff(void)
 		jmp	CopyEnd
 CopyNextBlock:
 		mov edi, [FirstScreenData]
-		lodsd	            // <EFBFBD><EFBFBD>lpNextScreen<EFBFBD>ĵ<EFBFBD>һ<EFBFBD><EFBFBD>˫<EFBFBD>ֽڣ<EFBFBD><EFBFBD>ŵ<EFBFBD>eax<EFBFBD><EFBFBD>,<2C><><EFBFBD><EFBFBD>DIB<49>иı<D0B8><C4B1><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ƫ<EFBFBD><C6AB>
-			add edi, eax	// lpFirstScreenƫ<EFBFBD><EFBFBD>eax	
-			lodsd           // <EFBFBD><EFBFBD>lpNextScreen<EFBFBD><EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD><EFBFBD>˫<EFBFBD>ֽڣ<EFBFBD><EFBFBD>ŵ<EFBFBD>eax<EFBFBD><EFBFBD>, <20><><EFBFBD>Ǹı<C7B8><C4B1><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ĵ<EFBFBD>С
+		lodsd	            // 把lpNextScreen的第一个双字节，放到eax中,就是DIB中改变区域的偏移
+			add edi, eax	// lpFirstScreen偏移eax	
+			lodsd           // 把lpNextScreen的下一个双字节，放到eax中, 就是改变区域的大小
 			mov ecx, eax
-			sub ebx, 8      // ebx <EFBFBD><EFBFBD>ȥ <20><><EFBFBD><EFBFBD>dword
-			sub ebx, ecx    // ebx <EFBFBD><EFBFBD>ȥDIB<EFBFBD><EFBFBD><EFBFBD>ݵĴ<EFBFBD>С
+			sub ebx, 8      // ebx 减去 两个dword
+			sub ebx, ecx    // ebx 减去DIB数据的大小
 			rep movsb
 CopyEnd:
-		cmp ebx, 0 // <EFBFBD>Ƿ<EFBFBD>д<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
+		cmp ebx, 0 // 是否写入完毕
 			jnz CopyNextBlock
 	}

@@ -283,7 +282,7 @@ void CScreenSpyDlg::OnPaint()

 	if (m_bIsFirst)
 	{
-		DrawTipString("<EFBFBD><EFBFBD><EFBFBD>ȴ<EFBFBD>......");
+		DrawTipString("请等待......");
 		return;
 	}

@@ -313,11 +312,11 @@ VOID CScreenSpyDlg::DrawTipString(CString strString)
 {
 	RECT Rect;
 	GetClientRect(&Rect);
-	//COLORREF<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD><EFBFBD>RGB<EFBFBD><EFBFBD>ɫ
+	//COLORREF用来描绘一个RGB颜色
 	COLORREF  BackgroundColor = RGB(0x00, 0x00, 0x00);	
 	COLORREF  OldBackgroundColor  = SetBkColor(m_hFullDC, BackgroundColor);
 	COLORREF  OldTextColor = SetTextColor(m_hFullDC, RGB(0xff,0x00,0x00));
-	//ExtTextOut<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ṩһ<EFBFBD><EFBFBD><EFBFBD>ɹ<EFBFBD>ѡ<EFBFBD><EFBFBD><EFBFBD>ľ<EFBFBD><EFBFBD>Σ<EFBFBD><EFBFBD>õ<EFBFBD>ǰѡ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>塢<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ɫ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ɫ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD><EFBFBD><EFBFBD>ַ<EFBFBD><EFBFBD><EFBFBD>
+	//ExtTextOut函数可以提供一个可供选择的矩形，用当前选择的字体、背景颜色和正文颜色来绘制一个字符串
 	ExtTextOut(m_hFullDC, 0, 0, ETO_OPAQUE, &Rect, NULL, 0, NULL);

 	DrawText (m_hFullDC, strString, -1, &Rect,DT_SINGLELINE | DT_CENTER | DT_VCENTER);
@@ -329,7 +328,7 @@ VOID CScreenSpyDlg::DrawTipString(CString strString)

 void CScreenSpyDlg::OnSysCommand(UINT nID, LPARAM lParam)
 {
-	// TODO: <EFBFBD>ڴ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϣ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>/<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ĭ<EFBFBD><C4AC>ֵ
+	// TODO: 在此添加消息处理程序代码和/或调用默认值
 	CMenu* SysMenu = GetSystemMenu(FALSE);

 	switch (nID)
@@ -340,27 +339,27 @@ void CScreenSpyDlg::OnSysCommand(UINT nID, LPARAM lParam)
 			SysMenu->CheckMenuItem(IDM_CONTROL, m_bIsCtrl ? MF_CHECKED : MF_UNCHECKED);
 			break;
 		}
-	case IDM_FULLSCREEN: // ȫ<EFBFBD><EFBFBD>
+	case IDM_FULLSCREEN: // 全屏
 		{
 			EnterFullScreen();
-			SysMenu->CheckMenuItem(IDM_FULLSCREEN, MF_CHECKED); //<EFBFBD>˵<EFBFBD><EFBFBD><EFBFBD>ʽ
+			SysMenu->CheckMenuItem(IDM_FULLSCREEN, MF_CHECKED); //菜单样式
 			break;
 		}
-	case IDM_SAVEDIB:    // <EFBFBD><EFBFBD><EFBFBD>ձ<EFBFBD><EFBFBD><EFBFBD>
+	case IDM_SAVEDIB:    // 快照保存
 		{
 			SaveSnapshot();
 			break;
 		}
-	case IDM_TRACE_CURSOR: // <EFBFBD><EFBFBD><EFBFBD>ٱ<EFBFBD><EFBFBD>ض<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
+	case IDM_TRACE_CURSOR: // 跟踪被控端鼠标
 		{	
-			m_bIsTraceCursor = !m_bIsTraceCursor; //<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ڸı<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
-			SysMenu->CheckMenuItem(IDM_TRACE_CURSOR, m_bIsTraceCursor ? MF_CHECKED : MF_UNCHECKED);//<EFBFBD>ڲ˵<EFBFBD><EFBFBD>򹳲<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
+			m_bIsTraceCursor = !m_bIsTraceCursor; //这里在改变数据
+			SysMenu->CheckMenuItem(IDM_TRACE_CURSOR, m_bIsTraceCursor ? MF_CHECKED : MF_UNCHECKED);//在菜单打钩不打钩

-			// <EFBFBD>ػ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʾ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
+			// 重绘消除或显示鼠标
 			OnPaint();
 			break;
 		}
-	case IDM_BLOCK_INPUT: // <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ͼ<EFBFBD><EFBFBD><EFBFBD>
+	case IDM_BLOCK_INPUT: // 锁定服务端鼠标和键盘
 		{
 			BOOL bIsChecked = SysMenu->GetMenuState(IDM_BLOCK_INPUT, MF_BYCOMMAND) & MF_CHECKED;
 			SysMenu->CheckMenuItem(IDM_BLOCK_INPUT, bIsChecked ? MF_UNCHECKED : MF_CHECKED);
@@ -371,13 +370,13 @@ void CScreenSpyDlg::OnSysCommand(UINT nID, LPARAM lParam)
 			m_iocpServer->OnClientPreSending(m_ContextObject, bToken, sizeof(bToken));
 			break;
 		}
-	case IDM_GET_CLIPBOARD: //<EFBFBD><EFBFBD>ҪClient<EFBFBD>ļ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
+	case IDM_GET_CLIPBOARD: //想要Client的剪贴板内容
 		{
 			BYTE	bToken = COMMAND_SCREEN_GET_CLIPBOARD;
 			m_iocpServer->OnClientPreSending(m_ContextObject, &bToken, sizeof(bToken));
 			break;
 		}
-	case IDM_SET_CLIPBOARD: //<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
+	case IDM_SET_CLIPBOARD: //给他
 		{
 			SendServerClipboard();
 			break;
@@ -416,7 +415,7 @@ BOOL CScreenSpyDlg::PreTranslateMessage(MSG* pMsg)
 	case WM_KEYUP:
 	case WM_SYSKEYDOWN:
 	case WM_SYSKEYUP:
-		if (pMsg->wParam == VK_F11 && LeaveFullScreen()) // F11: <EFBFBD>˳<EFBFBD>ȫ<EFBFBD><EFBFBD>
+		if (pMsg->wParam == VK_F11 && LeaveFullScreen()) // F11: 退出全屏
 			return TRUE;
 		if (pMsg->wParam != VK_LWIN && pMsg->wParam != VK_RWIN)
 		{
@@ -428,7 +427,7 @@ BOOL CScreenSpyDlg::PreTranslateMessage(MSG* pMsg)
 			SendCommand(&Msg);
 		}
 		if (pMsg->wParam == VK_RETURN || pMsg->wParam == VK_ESCAPE)
-			return TRUE;// <EFBFBD><EFBFBD><EFBFBD><EFBFBD>Enter<EFBFBD><EFBFBD>ESC<EFBFBD>رնԻ<EFBFBD>
+			return TRUE;// 屏蔽Enter和ESC关闭对话
 		break;
 	}

@@ -452,7 +451,7 @@ VOID CScreenSpyDlg::SendCommand(MSG* Msg)
 BOOL CScreenSpyDlg::SaveSnapshot(void)
 {
 	CString	strFileName = m_strClientIP + CTime::GetCurrentTime().Format("_%Y-%m-%d_%H-%M-%S.bmp");
-	CFileDialog Dlg(FALSE, "bmp", strFileName, OFN_OVERWRITEPROMPT, "λͼ<EFBFBD>ļ<EFBFBD>(*.bmp)|*.bmp|", this);
+	CFileDialog Dlg(FALSE, "bmp", strFileName, OFN_OVERWRITEPROMPT, "位图文件(*.bmp)|*.bmp|", this);
 	if(Dlg.DoModal () != IDOK)
 		return FALSE;

@@ -464,12 +463,12 @@ BOOL CScreenSpyDlg::SaveSnapshot(void)
 		return FALSE;
 	}

-	// BITMAPINFO<EFBFBD><EFBFBD>С
+	// BITMAPINFO大小
 	//+ (BitMapInfor->bmiHeader.biBitCount > 16 ? 1 : (1 << BitMapInfor->bmiHeader.biBitCount)) * sizeof(RGBQUAD)
 	//bmp  fjkdfj  dkfjkdfj [][][][]
 	int	nbmiSize = sizeof(BITMAPINFO);

-	//Э<EFBFBD><EFBFBD>  TCP    У<EFBFBD><EFBFBD>ֵ
+	//协议  TCP    校验值
 	BitMapFileHeader.bfType			= ((WORD) ('M' << 8) | 'B');	
 	BitMapFileHeader.bfSize			= BitMapInfor->bmiHeader.biSizeImage + sizeof(BitMapFileHeader);  //8421
 	BitMapFileHeader.bfReserved1 	= 0;                                          //8000
@@ -506,16 +505,16 @@ VOID CScreenSpyDlg::UpdateServerClipboard(char *szBuffer,ULONG ulLength)

 VOID CScreenSpyDlg::SendServerClipboard(void)
 {
-	if (!::OpenClipboard(NULL))  //<EFBFBD>򿪼<EFBFBD><EFBFBD>а<EFBFBD><EFBFBD>豸
+	if (!::OpenClipboard(NULL))  //打开剪切板设备
 		return;
-	HGLOBAL hGlobal = GetClipboardData(CF_TEXT);   //<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD><EFBFBD><EFBFBD>ڴ<EFBFBD>
+	HGLOBAL hGlobal = GetClipboardData(CF_TEXT);   //代表着一个内存
 	if (hGlobal == NULL)
 	{
 		::CloseClipboard();
 		return;
 	}
 	int	  iPacketLength = GlobalSize(hGlobal) + 1;
-	char*   szClipboardVirtualAddress = (LPSTR) GlobalLock(hGlobal);    //<EFBFBD><EFBFBD><EFBFBD><EFBFBD> 
+	char*   szClipboardVirtualAddress = (LPSTR) GlobalLock(hGlobal);    //锁定 
 	LPBYTE	szBuffer = new BYTE[iPacketLength];

 	szBuffer[0] = COMMAND_SCREEN_SET_CLIPBOARD;
@@ -650,14 +649,14 @@ void CScreenSpyDlg::EnterFullScreen()
 	}
 }

-// ȫ<EFBFBD><EFBFBD><EFBFBD>˳<EFBFBD><EFBFBD>ɹ<EFBFBD><EFBFBD>򷵻<EFBFBD>true
+// 全屏退出成功则返回true
 bool CScreenSpyDlg::LeaveFullScreen()
 {
 	if (m_bFullScreen)
 	{
 		SetWindowPlacement(&m_struOldWndpl);
 		CMenu *SysMenu = GetSystemMenu(FALSE);
-		SysMenu->CheckMenuItem(IDM_FULLSCREEN, MF_UNCHECKED); //<EFBFBD>˵<EFBFBD><EFBFBD><EFBFBD>ʽ
+		SysMenu->CheckMenuItem(IDM_FULLSCREEN, MF_UNCHECKED); //菜单样式
 		m_bFullScreen = false;
 		return true;
 	}
--- a/server/2015Remote/ServicesDlg.cpp
+++ b/server/2015Remote/ServicesDlg.cpp
@@ -71,7 +71,8 @@ BOOL CServicesDlg::OnInitDialog()

 int CServicesDlg::ShowServicesList(void)
 {
-	char	*szBuffer = (char *)(m_ContextObject->InDeCompressedBuffer.GetBuffer(1));
+	Buffer tmp = m_ContextObject->InDeCompressedBuffer.GetMyBuffer(1);
+	char	*szBuffer = tmp.c_str();
 	char	*szDisplayName;
 	char	*szServiceName;
 	char	*szRunWay;
@@ -169,7 +170,7 @@ void CServicesDlg::OnNMRClickList(NMHDR *pNMHDR, LRESULT *pResult)

 void CServicesDlg::OnReceiveComplete(void)
 {
-	switch (m_ContextObject->InDeCompressedBuffer.GetBuffer(0)[0])
+	switch (m_ContextObject->InDeCompressedBuffer.GetBYTE(0))
 	{
 	case TOKEN_SERVERLIST:
 		ShowServicesList();
--- a/server/2015Remote/ShellDlg.cpp
+++ b/server/2015Remote/ShellDlg.cpp
@@ -83,7 +83,8 @@ VOID CShellDlg::AddKeyBoardData(void)
 	//Hello>dir
 	//Shit\0
 	m_ContextObject->InDeCompressedBuffer.WriteBuffer((LPBYTE)"", 1);           //<2F>ӱ<EFBFBD><D3B1><EFBFBD><EFBFBD>ƶ<EFBFBD><C6B6><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ҫ<EFBFBD><D2AA><EFBFBD><EFBFBD>һ<EFBFBD><D2BB>\0
-	CString strResult = (char*)m_ContextObject->InDeCompressedBuffer.GetBuffer(0);    //<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>е<EFBFBD><D0B5><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD> \0
+	Buffer tmp = m_ContextObject->InDeCompressedBuffer.GetMyBuffer(0);
+	CString strResult = tmp.c_str();    //<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>е<EFBFBD><D0B5><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD> \0

 	//<2F>滻<EFBFBD><E6BBBB>ԭ<EFBFBD><D4AD><EFBFBD>Ļ<EFBFBD><C4BB>з<EFBFBD>  <20><><EFBFBD><EFBFBD>cmd <20>Ļ<EFBFBD><C4BB><EFBFBD>ͬw32<33>µı༭<C4B1>ؼ<EFBFBD><D8BC>Ļ<EFBFBD><C4BB>з<EFBFBD><D0B7><EFBFBD>һ<EFBFBD><D2BB>   <20><><EFBFBD>еĻس<C4BB><D8B3><EFBFBD><EFBFBD><EFBFBD>   
 	strResult.Replace("\n", "\r\n");
--- a/server/2015Remote/SystemDlg.cpp
+++ b/server/2015Remote/SystemDlg.cpp
@@ -22,8 +22,7 @@ IMPLEMENT_DYNAMIC(CSystemDlg, CDialog)
 	m_ContextObject = ContextObject;
 	m_iocpServer = IOCPServer;

-	char	*lpBuffer = (char *)(m_ContextObject->InDeCompressedBuffer.GetBuffer(0));  //<2F><><EFBFBD>ض˴<D8B6><CBB4>ص<EFBFBD><D8B5><EFBFBD><EFBFBD><EFBFBD>
-	m_bHow=lpBuffer[0];   
+	m_bHow= m_ContextObject->InDeCompressedBuffer.GetBYTE(0);
 }

 CSystemDlg::~CSystemDlg()
@@ -90,7 +89,8 @@ BOOL CSystemDlg::OnInitDialog()

 void CSystemDlg::ShowWindowsList(void)
 {
-	char *szBuffer = (char *)(m_ContextObject->InDeCompressedBuffer.GetBuffer(1));
+	Buffer tmp = m_ContextObject->InDeCompressedBuffer.GetMyBuffer(1);
+	char *szBuffer = tmp.c_str();
 	DWORD	dwOffset = 0;
 	char	*szTitle = NULL;
 	bool isDel=false;
@@ -120,7 +120,8 @@ void CSystemDlg::ShowWindowsList(void)

 void CSystemDlg::ShowProcessList(void)
 {
-	char	*szBuffer = (char *)(m_ContextObject->InDeCompressedBuffer.GetBuffer(1)); //xiaoxi[][][][][]
+	Buffer tmp = m_ContextObject->InDeCompressedBuffer.GetMyBuffer(1);
+	char	*szBuffer = tmp.c_str(); //xiaoxi[][][][][]
 	char	*szExeFile;
 	char	*szProcessFullPath;
 	DWORD	dwOffset = 0;
@@ -270,7 +271,7 @@ void CSystemDlg::GetWindowsList(void)

 void CSystemDlg::OnReceiveComplete(void)
 {
-	switch (m_ContextObject->InDeCompressedBuffer.GetBuffer(0)[0])
+	switch (m_ContextObject->InDeCompressedBuffer.GetBYTE(0))
 	{
 	case TOKEN_PSLIST:
 		{
--- a/server/2015Remote/VideoDlg.cpp
+++ b/server/2015Remote/VideoDlg.cpp
@@ -139,8 +139,7 @@ void CVideoDlg::ResetScreen(void)

 	int	iBitMapInforSize = m_ContextObject->InDeCompressedBuffer.GetBufferLength() - 1;  
 	m_BitmapInfor_Full	= (LPBITMAPINFO) new BYTE[iBitMapInforSize];
-	memcpy(m_BitmapInfor_Full, m_ContextObject->InDeCompressedBuffer.GetBuffer(1), iBitMapInforSize); 
-
+	m_ContextObject->InDeCompressedBuffer.CopyBuffer(m_BitmapInfor_Full, iBitMapInforSize, 1);
 	m_BitmapData_Full	= new BYTE[m_BitmapInfor_Full->bmiHeader.biSizeImage];
 	m_BitmapCompressedData_Full	= new BYTE[m_BitmapInfor_Full->bmiHeader.biSizeImage];
 }
@@ -249,7 +248,7 @@ void CVideoDlg::OnReceiveComplete(void)
 {
 	++m_nCount;

-	switch (m_ContextObject->InDeCompressedBuffer.GetBuffer(0)[0])
+	switch (m_ContextObject->InDeCompressedBuffer.GetBYTE(0))
 	{
 	case TOKEN_WEBCAM_DIB:
 		{
@@ -270,7 +269,8 @@ void CVideoDlg::DrawDIB(void)

 	const int nHeadLen = 1 + 1 + 4;       

-	LPBYTE	szBuffer = m_ContextObject->InDeCompressedBuffer.GetBuffer();
+	Buffer tmp = m_ContextObject->InDeCompressedBuffer.GetMyBuffer(0);
+	LPBYTE	szBuffer = tmp.Buf();
 	UINT	ulBufferLen = m_ContextObject->InDeCompressedBuffer.GetBufferLength();
 	if (szBuffer[1] == 0) // û<>о<EFBFBD><D0BE><EFBFBD>H263ѹ<33><D1B9><EFBFBD><EFBFBD>ԭʼ<D4AD><CABC><EFBFBD>ݣ<EFBFBD><DDA3><EFBFBD><EFBFBD><EFBFBD>Ҫ<EFBFBD><D2AA><EFBFBD><EFBFBD>
 	{